The author deals with Domitian's legend from the aspect of authenticity of pagan temple existence in Millstatt. In his opinion, Domitian was a historical personality, and so were his deeds. In the context of place and time, the author explains the phenomenon »ecclesia demonibus addicta« as a syncretistic heretical church, in which the worshipping of the pagan water goddess (Mokoši?) was united with the Old Christian religious sect. Domitian, the local mayor, suppressed this worship.